Shelter



FIG. 1 is a perspective view showing the top, front and left side of the shelter with the cover removed;

FIG. 2 is a perspective view of the shelter in an alternative configuration with the cover removed and the left side open;

FIG. 3 is a front view of the shelter of FIG. 1;

FIG. 4 is a top view thereof;

FIG. 5 is an enlarged side view thereof;

FIG. 6 is a perspective view showing the top, front and left side of the shelter in an alternate configuration with the cover attached;

FIG. 7 is a front view of the shelter of FIG. 6;

FIG. 8 is a top view thereof; and,

FIG. 9 is an enlarged side view thereof. 

CLAIM The ornamental design for a shelter, as shown and described. 